Compartmented gas injection device
US4941779A · kind A · utility
25Cited by
10References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 1989 |
| Grant date | Jul 17, 1990 |
| Priority date | — |
| Expiry date | May 18, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10J2300/1693
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Injection of gas into a bed of solids contained in a hopper is compartmentalized to allow independent control of gas to be vented upward and gas and solids to be discharged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.